| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.ode.bpel.engine.cron; |
| |
| import java.io.Serializable; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.Callable; |
| |
| import javax.xml.namespace.QName; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.ode.bpel.common.InstanceFilter; |
| import org.apache.ode.bpel.dao.BpelDAOConnection; |
| import org.apache.ode.bpel.dao.FilteredInstanceDeletable; |
| import org.apache.ode.bpel.engine.Contexts; |
| import org.apache.ode.bpel.engine.BpelServerImpl.ContextsAware; |
| import org.apache.ode.bpel.iapi.ProcessConf.CLEANUP_CATEGORY; |
| import org.apache.ode.bpel.iapi.ProcessConf.CleanupInfo; |
| import org.apache.ode.bpel.iapi.Scheduler.JobDetails; |
| import org.apache.ode.bpel.iapi.Scheduler.MapSerializableRunnable; |
| |
| public class RuntimeDataCleanupRunnable implements MapSerializableRunnable, ContextsAware { |
| private final Logger __log = LoggerFactory.getLogger(RuntimeDataCleanupRunnable.class); |
| |
| private static final long serialVersionUID = 1L; |
| |
| private transient Contexts _contexts; |
| |
| private int _transactionSize; |
| private CleanupInfo _cleanupInfo; |
| private QName _pid; |
| private Set<QName> _pidsToExclude; |
| |
| public RuntimeDataCleanupRunnable() { |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void restoreFromDetails(JobDetails details) { |
| _cleanupInfo = (CleanupInfo)details.getDetailsExt().get("cleanupInfo"); |
| _transactionSize = (Integer)details.getDetailsExt().get("transactionSize"); |
| _pid = details.getProcessId(); |
| _pidsToExclude = (Set<QName>)details.getDetailsExt().get("pidsToExclude"); |
| } |
| |
| public void storeToDetails(JobDetails details) { |
| // we don't serialize |
| } |
| |
| public void setContexts(Contexts contexts) { |
| _contexts = contexts; |
| } |
| |
| public void run() { |
| __log.info("CRON CLEAN.run()."); |
| |
| for( String filter : _cleanupInfo.getFilters() ) { |
| if( _pid != null ) { |
| filter += " pid=" + _pid; |
| } else if( _pidsToExclude != null ) { |
| StringBuffer pids = new StringBuffer(); |
| for( QName pid : _pidsToExclude ) { |
| if( pids.length() > 0 ) { |
| pids.append("|"); |
| } |
| pids.append(pid); |
| } |
| filter += " pid<>" + pids.toString(); |
| } |
| |
| if( filter.trim().length() > 0 ) { |
| __log.info("CRON CLEAN.run(" + filter + ")"); |
| long numberOfDeletedInstances = 0; |
| do { |
| numberOfDeletedInstances = cleanInstances(filter, _cleanupInfo.getCategories(), _transactionSize); |
| } while( numberOfDeletedInstances == _transactionSize ); |
| } |
| } |
| } |
| |
| int cleanInstances(String filter, final Set<CLEANUP_CATEGORY> categories, int limit) { |
| if (__log.isDebugEnabled()) { |
| __log.debug("CRON CLEAN using filter: " + filter + ", limit: " + limit); |
| } |
| |
| final InstanceFilter instanceFilter = new InstanceFilter(filter, "", limit); |
| try { |
| if( _contexts.scheduler != null ) { |
| return _contexts.scheduler.execTransaction(new Callable<Integer>() { |
| public Integer call() throws Exception { |
| BpelDAOConnection con = _contexts.dao.getConnection(); |
| if( con instanceof FilteredInstanceDeletable ) { |
| return ((FilteredInstanceDeletable)con).deleteInstances(instanceFilter, categories); |
| } |
| return 0; |
| } |
| }); |
| } else { |
| return 0; |
| } |
| } catch (RuntimeException re) { |
| throw re; |
| } catch (Exception e) { |
| throw new RuntimeException("Exception while listing instances: ", e); |
| } |
| } |
| } |